From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754112AbaIVPjR (ORCPT ); Mon, 22 Sep 2014 11:39:17 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:62175 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752943AbaIVPjQ (ORCPT ); Mon, 22 Sep 2014 11:39:16 -0400 Date: Mon, 22 Sep 2014 16:39:19 +0100 From: Will Deacon To: Nathan Lynch Cc: Daniel Lezcano , Catalin Marinas , Christopher Covington , Doug Anderson , Lorenzo Pieralisi , Marc Zyngier , Mark Rutland , Russell King , Sonny Rao , Stephen Boyd , Thomas Gleixner , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2 0/3] arm_arch_timer: VDSO preparation, code consolidation Message-ID: <20140922153919.GQ25809@arm.com> References: <1411052390-27238-1-git-send-email-nathan_lynch@mentor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1411052390-27238-1-git-send-email-nathan_lynch@mentor.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 18, 2014 at 03:59:32PM +0100, Nathan Lynch wrote: > This series contains the necessary changes to allow architected timer > access from user-space on 32-bit ARM. This allows the VDSO to support > high resolution timestamps for clock_gettime and gettimeofday. This > also merges substantially similar code from arm and arm64 into the > core arm_arch_timer driver. > > The functional changes are: > - When available, CNTVCT is made readable by user space on arm, as it > is on arm64. > - The clocksource name becomes "arch_mem_counter" if CP15 access to > the counter is not available. > > These changes have been carried as part of the ARM VDSO patch set over > the last several months, but I am splitting them out here as I assume > they should go through the clocksource maintainers. For the series: Acked-by: Will Deacon I'm not sure which tree the arch-timer stuff usually goes through, but the arm/arm64 bits look fine so I'm happy for them to merged together. Will